diff --git a/include/td/misc/DataBuffer.h b/include/td/misc/DataBuffer.h
index d3782ea..23b7539 100644
--- a/include/td/misc/DataBuffer.h
+++ b/include/td/misc/DataBuffer.h
@@ -5,6 +5,7 @@
 #include <cstring>
 #include <cassert>
 #include <string>
+#include <cstdint>
 
 namespace td {
 
diff --git a/include/td/network/IPAddress.h b/include/td/network/IPAddress.h
index 699f7e8..d79c28c 100644
--- a/include/td/network/IPAddress.h
+++ b/include/td/network/IPAddress.h
@@ -4,6 +4,7 @@
 #include <string>
 #include <iosfwd>
 #include <vector>
+#include <cstdint>
 
 namespace td {
 namespace network {